Question

How to find the location of the variable on which bind data column? A simple search on SOLUTION fails.

<sdk:DataGridTextColumn MinWidth="15"
Binding="{Binding Accounts[0].AccountValue,
Converter={StaticResource DecimalConverter}}"
                          CanUserSort="False"
                          CellStyle="{StaticResource RightAlignCellStyle}"
                          Header="Account Value"
                          HeaderStyle="{StaticResource DefaultDataGridColumnHeaderStyleRight}"
                                            IsReadOnly="True" />

Answer 1

Find out where the DataContext is set. It can be on the object itself, or any of its parents. The variable Accounts should be a property of the DataContext object.